Money saved by using solar electricity at Piedmont Hills High School has kept 30 teachers there from getting pink slips, school officials said Friday.
Gov. Jerry Brown has signed legislation requiring California utilities to get one-third of their power from renewable sources, giving the state the most aggressive alternative energy mandate in the U.S.
Google is investing $168 million in an alternative power project that aims to produce enough solar energy to light 140,000 homes.
For the first time, federal land managers gave final approval Tuesday for the construction of two large solar installations on public lands that could power hundreds of thousands of homes with renewable energy.